What did the "Things” do?* A:They scared Meg, then made her sleepy and took her away.
B:They attacked them and tried to eat Meg.
C:They were friendly and said they would help fight the Black Thing

the answer is

a) revise existing treaties

b) do away with political alliances

c) prevent the spread of communism

d) bring an end to european colonization

the main goal of the southeast asia treaty organization was to prevent the spread of communism in southeast asia.

answer; the correct answer is (composition);

the answer your looking for is c. : )